Motorcycle rear wheel unit



FIG. 1 is a frontal elevational view of the motorcycle rear wheel unit showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line illustration forms no part of the claimed design. 

The ornamental design for motorcycle rear wheel unit, as shown and described. 